Overview

overview

10

Static

static

3

f5bb20c790...18.exe

windows7-x64

10

f5bb20c790...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/09/2024, 09:44

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General

  • Target

    f5bb20c7908cc75380453bb3cd5be4aa_JaffaCakes118.exe

  • Size

    152KB

  • MD5

    f5bb20c7908cc75380453bb3cd5be4aa

  • SHA1

    35c9efa7552a0a25f6e73dee445e8070ae6798aa

  • SHA256

    8fb9a26cbc448744c4f149aa38c837ecac8e5fdb6a1f7ca29b11168fcf0d9075

  • SHA512

    15468dab620dde65c6ecf831ad82326bbeca9b5487958e72378540dfc0d9a029effbf1d82e7ebf8170ec7cbfe3ed616da5a9d045b22c612342f7c22057d48079

  • SSDEEP

    3072:2MGePYYh0ZX+7DxNUbaxIcz93bOButK+Hog:y+7DxVh3bHYg

Score
10/10
discoveryevasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 52 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5bb20c7908cc75380453bb3cd5be4aa_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f5bb20c7908cc75380453bb3cd5be4aa_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2892
    • C:\Users\Admin\puauf.exe
      "C:\Users\Admin\puauf.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3312

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\puauf.exe
          Filesize

          152KB

          MD5

          e8d0fc9c502fca0c5fa98d14b895419b

          SHA1

          919d16d0300553d0931ec02700b4424afe58157c

          SHA256

          e61654706d0d08a3bc6ed5453486748784213b071dee1c8e4ae5cc8a3d070756

          SHA512

          c59d2f7d8235ca8e50ff9505f62c37e5ee87a84c1e2f3c670f61cb9b8fb7dd840bd0454f5add9be3ecc720a229aa937ac5de1edb2c18aee97a7af6e49000e2d3

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